Ericameria lignumviridis

(S. L. Welsh) G. L. Nesom

Phytologia 78: 64. 1995.

Common names: Greenwood’s goldenbush heath-goldenrod
EndemicConservation concern
Basionym: Haplopappus lignumviridis S. L. Welsh Rhodora 95: 398, fig. 4. 1993
Treatment appears in FNA Volume 20. Treatment on page 60. Mentioned on page 52.

Plants 10–30 cm. Stems erect, green when young, becoming tan, branched, glabrous, resinous. Leaves ascending; blades oblanceolate, 7–30 × 1.5–3 mm, midnerves evident, apices acute to apiculate, faces glabrous, resinous; axillary leaf fascicles usually present, much shorter than subtending leaves. Heads (3–8) in cymiform arrays. Peduncles 1–12 mm (bracts 0–3, scalelike). Involucres obconic, 12–15 × 4–8 mm. Phyllaries 18–28 in 3–4 series, tan, ovate or lanceolate to elliptic, 8–12 × 1–2.5 mm, subequal, outer herbaceous-tipped, inner mostly chartaceous, apices erect, acute or acuminate to cuspidate, abaxial faces glabrous, resinous. Ray-florets 5–8; laminae 3–4 × 0.7–2 mm. Disc-florets 8–12; corollas 9–10.5 mm. Cypselae tan to reddish, ellipsoid, ca. 5 mm, densely hairy; pappi off-white to brown, 7.5–9 mm.


Phenology: Flowering late summer–fall.
Habitat: Riparian areas with willows, nettles, and other bottomland plants
Elevation: ca. 1900 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Ericameria lignumviridis"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(S. L. Welsh) G. L. Nesom +
decurrent +
Haplopappus lignumviridis +
compound +  and simple +
0.7 cm7 mm <br />0.007 m <br /> (3 cm30 mm <br />0.03 m <br />) +
oblanceolate +
1.5mm;3mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Greenwood’s goldenbush +  and heath-goldenrod +
not 2-lipped +  and actinomorphic +
0.9 cm9 mm <br />0.009 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
tan +  and reddish +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
ca. 1900 m +
resinous +
gland-dotted;gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Riparian areas with willows, nettles, and other bottomland plants +
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.7mm;2mm +
sessile +  and petiolate +
erect;spreading or reflexed +
deltate +  and triangular +
2-carpellate +
off-white +  and brown +
persistent +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering late summer–fall. +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
lanceolate +  and elliptic +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
resinous +
tan +  and green +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus sect. Asiris +, Haplopappus sect. Ericameria +, Haplopappus sect. Macronema +  and Haplopappus sect. Stenotopsis +
Ericameria lignumviridis +
Ericameria +
species +
campanulate +
perennial +, biennial +  and annual +